72 lines
2.7 KiB
Markdown
72 lines
2.7 KiB
Markdown
---
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source_files:
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- DataPRO/Modules/Database/DatabaseServices/View/DatabaseStatusBarView.xaml.cs
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- DataPRO/Modules/Database/DatabaseServices/View/DatabaseCopyView.xaml.cs
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- DataPRO/Modules/Database/DatabaseServices/View/DatabaseSwitchView.xaml.cs
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generated_at: "2026-04-17T16:36:18.725754+00:00"
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model: "zai-org/GLM-5-FP8"
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schema_version: 1
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sha256: "9b3e32201b851fc1"
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---
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# Documentation: Database View Components
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## 1. Purpose
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This module provides WPF view components for database-related UI operations within the DatabaseServices namespace. It contains three code-behind classes—`DatabaseStatusBarView`, `DatabaseCopyView`, and `DatabaseSwitchView`—that serve as the visual layer for displaying database status, copying databases, and switching between local/remote database connections respectively. These views implement interfaces from `DTS.Common.Interface.Database` and delegate business logic to associated ViewModels via WPF data binding.
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---
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## 2. Public Interface
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### `DatabaseStatusBarView`
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**Namespace:** `DatabaseServices`
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**Implements:** `IDatabaseStatusBarView`
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```csharp
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public DatabaseStatusBarView()
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```
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Default constructor. Calls `InitializeComponent()` to load the associated XAML layout. No additional public members are exposed beyond the interface implementation.
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---
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### `DatabaseCopyView`
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**Namespace:** `DatabaseServices`
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**Implements:** `IDatabaseCopyView`
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```csharp
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public DatabaseCopyView()
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```
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Default constructor. Calls `InitializeComponent()` to load the associated XAML layout.
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```csharp
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private void Copy_Click(object sender, RoutedEventArgs e)
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```
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Event handler for the copy button click. Casts `sender` to `Control`, retrieves the `DataContext` as `IDatabaseCopyViewModel`, and invokes `vm.CopyDatabase()`.
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---
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### `DatabaseSwitchView`
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**Namespace:** `DatabaseServices`
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**Implements:** `IDatabaseSwitchView`
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```csharp
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public DatabaseSwitchView()
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```
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Default constructor. Calls `InitializeComponent()` to load the associated XAML layout.
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```csharp
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private void SwitchToLocal_Click(object sender, RoutedEventArgs e)
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```
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Event handler for switching to local database. Casts `sender` to `Control`, retrieves the `DataContext` as `IDatabaseSwitchViewModel`, and invokes `vm.SwitchLocal()`.
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```csharp
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private void SwitchToRemote_Click(object sender, RoutedEventArgs e)
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```
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Event handler for switching to remote database. Casts `sender` to `Control`, retrieves the `DataContext` as `IDatabaseSwitchViewModel`, and invokes `vm.SwitchRemote()`.
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---
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## 3. Invariants
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- **DataContext Contract:** `DatabaseCopyView` requires its `DataContext` to be an instance of `IDatabaseCopyViewModel`. `DatabaseSwitchView` requires its `DataContext` to be an instance of `IDatabaseSwitchViewModel`. Event handlers will fail with invalid |